| Z77.01 | Contact with and (suspected) exposure to hazardous metals | NON-BILLABLE CODE |
| Z77.010 | Contact with and (suspected) exposure to arsenic | BILLABLE CODE |
| Z77.011 | Contact with and (suspected) exposure to lead | BILLABLE CODE |
| Z77.012 | Contact with and (suspected) exposure to uranium | BILLABLE CODE |
| Z77.018 | Contact with and (suspected) exposure to other hazardous metals | BILLABLE CODE |
| Z77.02 | Contact with and (suspected) exposure to hazardous aromatic compounds | NON-BILLABLE CODE |
| Z77.020 | Contact with and (suspected) exposure to aromatic amines | BILLABLE CODE |
| Z77.021 | Contact with and (suspected) exposure to benzene | BILLABLE CODE |
| Z77.028 | Contact with and (suspected) exposure to other hazardous aromatic compounds | BILLABLE CODE |
| Z77.09 | Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals | NON-BILLABLE CODE |
| Z77.090 | Contact with and (suspected) exposure to asbestos | BILLABLE CODE |
| Z77.098 | Contact with and (suspected) exposure to other hazardous, chiefly nonmedicinal, chemicals | BILLABLE CODE |
